( 9 ) 
Then they choose a spot for settlement, and remain 
stationary.” 
In regard to the early history of the “ bug,” the following 
notes are taken (for the most part abridged) from obser¬ 
vations by Mr. Bairstow, made daily, or at short 
intervals, from Jan. 23rd to the end of March (that is 
to say, during the latter part of the S. African summer, 
well on into its autumn) ; but those from Feb. 2nd to 
Feb. 6th are given at length in his own words, as the 
description of the first appearance of the white coating 
on the “ buglets,” or young larval Iceryce , and of the 
very peculiar, long, brittle-stalked, or fine thread-like 
exudation, is interesting in itself, and also as showing 
that this remarkable habit or condition of the larva, of 
which Mr. Bairstow gives his daily observations in South 
Africa, corresponds with what has been noticed by Prof. 
Comstock in his North American descriptions. 
Australian Bug. 
Egg and larva, much magnified ; and back view of larva, much 
magnified, showing first growth of cottony patches. 
The two figures of larvae are taken from a series of 
slight pen-and-ink sketches made from life by Mr. 
